Enclosure for hot tub



FIG. 1 is a perspective view of an enclosure for hot tub, showing my new design;

FIG. 2 is a side elevational view, the opposite side, front and rear being a mirror image thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for an enclosure for hot tub, as shown and described. 